Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/20227",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f70489e3-6ccf-4ca4-aec2-3fa55af9e1b0",
      "cw-a2fccf98-3f48-4386-a517-d86c19c3187c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-04fe83c2-e29b-461e-ae6b-d2406ce74be4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/20227",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a2fccf98-3f48-4386-a517-d86c19c3187c"
  }
}